assertEquals(expectedSpan, span);
    } catch (NoSuchElementException e) {
      assertThat(expectedSpan).isNull();
    }

    // test that asDescendingSetOfRanges is the reverse of asRanges
    assertEquals(Lists.reverse(asRanges), ImmutableList.copyOf(rangeSet.asDescendingSetOfRanges()));
  }

        // dataDisplacement (4 bytes)
        SMBUtil.writeInt4(0, buffer, bufferIndex + 31);

        // setupCount (1 byte) + 1 reserved byte
        buffer[bufferIndex + 35] = 0x00; // setupCount = 0
        buffer[bufferIndex + 36] = 0x00; // reserved

        int bytesRead = response.readParameterWordsWireFormat(buffer, bufferIndex);

        // Verify the correct number of bytes were read (37 bytes total)

            byte[] buffer = createValidWriteResponse(1024, 512);

            int bytesRead = response.readBytesWireFormat(buffer, 0);

            assertEquals(16, bytesRead); // Structure size + reserved (4) + count (4) + remaining (4) + channel info (4)
            assertEquals(1024, response.getCount());
            assertEquals(512, response.getRemaining());
        }

        @Test

/**
 * A rate limiter. Conceptually, a rate limiter distributes permits at a configurable rate. Each
 * {@link #acquire()} blocks if necessary until a permit is available, and then takes it. Once
 * acquired, permits need not be released.
 *
 * <p>{@code RateLimiter} is safe for concurrent use: It will restrict the total rate of calls from
 * all threads. Note, however, that it does not guarantee fairness.
 *

    @Test
    void testReadParameterWordsWireFormat_bufDataStartIsZero() {
        // Test case when bufDataStart is initially 0.
        byte[] buffer = new byte[37]; // 3 reserved + 8*4 bytes for int4 values + 2 bytes for setupCount
        int bufferIndex = 0;

        // Reserved bytes
        buffer[bufferIndex++] = 0x00;
        buffer[bufferIndex++] = 0x00;
        buffer[bufferIndex++] = 0x00;

        // totalParameterCount = 10

    assertThat(Ints.stringConverter().reverse().convert(null)).isNull();
  }

  public void testStringConverter_reverse() {
    Converter<String, Integer> converter = Ints.stringConverter();
    assertThat(converter.reverse().convert(1)).isEqualTo("1");
    assertThat(converter.reverse().convert(0)).isEqualTo("0");
    assertThat(converter.reverse().convert(-1)).isEqualTo("-1");

    private static final byte[] CONTEXT_NAME_BYTES = CONTEXT_NAME.getBytes();
    private static final int STRUCTURE_SIZE = 16;

    private long reserved; // Must be zero

    /**
     * Create a new durable handle request
     */
    public DurableHandleRequest() {
        this.reserved = 0;
    }

    @Override
    public byte[] getName() {
        return CONTEXT_NAME_BYTES;
    }

    @Override

        SMBUtil.writeInt8(0, dst, dstIndex); // LeaseDuration (8 bytes) - reserved, must be zero
        dstIndex += 8;

        parentLeaseKey.encode(dst, dstIndex); // ParentLeaseKey (16 bytes)
        dstIndex += 16;

        SMBUtil.writeInt2(epoch, dst, dstIndex); // Epoch (2 bytes)
        dstIndex += 2;

        SMBUtil.writeInt2(0, dst, dstIndex); // Reserved (2 bytes)
        dstIndex += 2;

<style>
  main ul li { margin: 0.5em 0; }
</style>

## DRAFT RELEASE NOTES — Introduction to Go 1.N {#introduction}

**Go 1.N is not yet released. These are work-in-progress release notes.

        bufferIndex += 4;

        this.leaseFlags = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        // LeaseDuration (8 bytes) - reserved, skip
        bufferIndex += 8;

        byte[] parentKeyBytes = new byte[16];
        System.arraycopy(buffer, bufferIndex, parentKeyBytes, 0, 16);
        this.parentLeaseKey = new Smb2LeaseKey(parentKeyBytes);